ID: 661
rec_id: 661
site_name: John Stacker's quarry
oremin: amphibole asbestos, chrysotile
devel: occurrence
json: {"id":"http:\/\/mrdata.usgs.gov\/asbestos\/record\/661","type":"Feature","geometry":{"type":"Point","coordinates":[-75.36763325455,40.047109546313]},"properties":{"state":"PA","county":"Delaware","site_name":"John Stacker's quarry","devel":"occurrence","latitude":"40.047","longitude":"-75.368","oremin":"amphibole asbestos, chrysotile","assocmin":"serpentine, enstatite, chromite, vermiculite, sepiolite, genthite, quartz, chalcedony","hostrock":"metapyroxenite, metaperidotite","source":"ofr20051189","mineral":[{"role":"asbestos","name":"chrysotile"},{"role":"associated","name":"serpentine"},{"role":"associated","name":"enstatite"},{"role":"associated","name":"chromite"},{"role":"associated","name":"vermiculite"},{"role":"associated","name":"sepiolite"},{"role":"associated","name":"genthite"},{"role":"associated","name":"quartz"},{"role":"associated","name":"chalcedony"}],"reference":[{"citation":"Rand and others (1893, p. 186)","source":"ofr20051189","reference":"Rand, T.D., Jefferis, W.W., and Cardeza, J.T.M., 1893, Mineral localities of Philadelphia and vicinity: Proceedings of the Academy of Natural Sciences of Philadelphia--1892, v. 44, p. 174-202."},{"citation":"Gordon (1922, p. 194)","source":"ofr20051189","reference":"Gordon, S.G., 1922, The mineralogy of Pennsylvania: The Academy of Natural Sciences of Philadelphia Special Publication No. 1, 255 p."},{"citation":"Pearre and Heyl (1960, p. 725, plate 42)","onlink":"http:\/\/pubs.er.usgs.gov\/publication\/b1082K","source":"ofr20051189","reference":"Pearre, N.C., and Heyl, A.V., Jr., 1960, Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware: U.S. Geological Survey Bulletin 1082-K, p. 707-833, plates 40-47."}]}}
url: https://mrdata.usgs.gov/asbestos/show-asbestos.php?rec_id=661